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Cobalt, Random Urine
Test CodeCobalt, Random Urine
Quest Code
37513
CPT Codes
83018
Preferred Specimen
7 mL random urine submitted in an acid-washed, or metal-free plastic leak-proof container
Minimum Volume
5 mL
Instructions
Avoid worksite collection. Collect urine in an acid washed or metal free plastic container.
Tests performed on a specimen submitted in a non-trace element tube or non acid washed/non metal free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that a re-submission with a trace element tube/container is recommended.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 48 hours
Refrigerated: 5 days
Frozen: 14 days
Refrigerated: 5 days
Frozen: 14 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Tues-Sat; Report available: 1 day
Reference Range
| Non-exposed Adult | ≤2.8 mcg/L |
| Biological Exposure Index (end of shift/work week) | ≤15.0 mcg/L |
Clinical Significance
Cobalt is part of our diet. Approximately 85% of absorbed cobalt is excreted in the urine and the remainder eliminated in stool. Toxicity may occur in select industrial environments. Cobalt is not mined in the United States so primary supplies are imported.
Performing Laboratory
| Quest Diagnostics Nichols Institute |
| 14225 Newbrook Drive |
| Chantilly, VA 20153 |
Last Updated: August 27, 2019
